Physical Evidence Handbook

Texas Department of Public Safety Crime Laboratory Service

   See also the instructional videos on "Evidence Collection"

The Physical Evidence Handbook is provided to acquaint law enforcement personnel with the forensic laboratory services offered by the Texas Department of Public Safety Crime Laboratory Service. It is intended as a guide to assist officers in the proper, safe, and efficient methods of evidence collection, packaging, and submission. Law enforcement personnel must take care to ensure the evidence will not be lost, damaged, or contaminated and that the chain of custody will be as short as possible. It is our goal to work with law enforcement to protect the integrity of their evidence and the criminal case being investigated.

 Earn a Degree in Crime Scene Investigation, Forensic Science, Computer Forensics or Forensic Psychology

Read the Handbook:

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